code: def daily_univariate_ts() -> pd.DataFrame:
      """Daily univariate time series with 2 years of data"""
      return pd.read_csv(
          Path(__file__).parent / "data.csv", parse_dates=["ds"]
      )
  
file_path: prophet/python/prophet/tests/conftest.py
imports: from pathlib import Path
  import pandas
  import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: daily_univariate_ts() and returns: pd